In another age, the world is divided into 4 nations: Water, Earth, Air and Fire. Within each nation is an order of masters who possess the ability to manipulate their native element. They call themselves Waterbenders, Earthbenders, Firebenders, and Airbenders. But only the Avatar can master all four elements. With the Fire Nation leading global war, only the Avatar can stop them from conquering the world! Nobody has seen him in a hundred years. Until now....